Marathon MFF122*
Top Freezer · 12.1
Summary
The Marathon MFF122* is a top freezer with 12.1 capacity that uses 315 kWh per year, costing approximately $50.40annually to run at the US average electricity rate. Over 10 years, that's $504.00 in energy costs alone. It uses 10% less energy than the federal minimum standard, earning ENERGY STAR's "Most Efficient" designation — the top tier of certified products. It meets ENERGY STAR certification but isn't among the top performers.
Ranked #1810 out of 4363 refrigerators by annual running cost, it costs $11.60 less per year than the category average of $62. At 23.4" wide, it is a standard size for its category.
How This Compares to Other Refrigerators
Ranked #1810 out of 4363 in the refrigerators category (by lowest annual cost).
Energy Details
Running Cost Breakdown
Estimated electricity costs at different time horizons (based on $0.16/kWh US average rate):
Actual costs vary by location. States like Hawaii ($0.43/kWh) pay significantly more while Idaho ($0.11/kWh) pays less. Use our energy calculator to estimate costs at your local rate.
What This Means for You
The Marathon MFF122* is cheaper to run than the average refrigerator in its category. At $50.40/year, you'll save approximately $116.00 over 10 years compared to a typical model in this category.
Its efficiency score is moderate — solid but not top-tier. It balances upfront cost with reasonable energy savings.
Energy costs are just one factor in choosing a refrigerator. Consider the purchase price, features, reliability, and how the total cost of ownership (purchase price + energy costs over its expected lifespan) compares to alternatives.